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Imweon Lighthouse

Fl W 8s🇰🇷Gangneung Area (Southern Gangwon), KROperational

Location & Light Range

About Imweon Lighthouse

Imweon Lighthouse is located in the Gangneung Area of Southern Gangwon. The structure stands 60 meters above sea level, providing a focal height for its navigation aid. It emits a single white flash every 8 seconds. This light is visible for 22 nautical miles.

Light & Optic

Characteristic Signature
Fl W 8s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
8s
Raw Code
Fl.W. period 8s
Focal Height
60m
Geographic Range
22NM

References & Identifiers

Admiralty No.
M4433.7
NGA No.
16508
OpenStreetMap
View on OSM →

Location

City
Gangneung Area (Southern Gangwon)
Country
🇰🇷KR
Latitude
37.2351°
Longitude
129.3557°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Imweon Lighthouse at night?+
Imweon displays the characteristic Fl W 8s — 1 white flash every 8 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area.
Which ports and harbors does Imweon Lighthouse guide vessels into?+
Imweon Lighthouse assists vessels approaching 5 nearby ports. The closest is Hosan at 3.2 NM to the S. Other ports served include Samcheok (14.4 NM NNW), Donghae (18.7 NM NNW), Bupyong/Incheon (19.1 NM NNW), Tonghae (21.7 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Imweon Lighthouse still active and maintained?+
Yes, Imweon Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Imweon Lighthouse?+
Imweon Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Imweon Lighthouse?+
You can track vessels near Imweon Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.